
.fixed {
    position: fixed;
    right: 40px;
    top: 250px;
    bottom: 250px;
    width: 50px;
    height: 200px;
    list-style: none;
    z-index: 900;
    .lf-web {
        display: inline-block;
        background: rgba(193, 193, 193, 0.5);
        border-radius: 50px;
        width: 40px;
        height: 40px;
        text-align: center;
        margin-top: 10px;
        color: #fff;
        font-size: 25px;
        text-decoration: none;
        line-height: 40px;
    }
    .lf-web:hover {
        background: #46bfdb;
        text-decoration: none;
    }
}